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Screen full of horizontal lines on my Amilo L series laptop

Screen of scrolling white horizontal lines against a black background. no visibility of windows login page. suspect graphics card failing??

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  • marktyan
    marktyan May 11, 2010

    could be the monitor or the invertor for the monitor.... or the system got too hot and damaged the video chipset... please clarify more details for the diagnosis

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

bmwrider
  • 215 Answers

SOURCE: Redless screen

The white lines on the darker backgrounds are more than likely retrace lines. Usually caused by a leaky capacitor in the horizontal sync circuitry. If the red comes and goes it's probably a dry joint in the red drive. If you're handy with a soldering iron try resoldering the solder joints on the CRT neck board. If that doesn't do the trick then perhaps the drive transistors are on the motherboard. Just look for 3 transistors usually in a row and somewhere very close would be adjustable pots with the letters R.G and B printed near them. Even a simple gentle tapping with a plastic end of a screwdriver around that area may make the red flash on and off. Just resolder around that area and you'll know it's fixed when the red stays on. Just make sure the power is unplugged when working on the set and stay well away from the EHT and power supply areas. They can give you a nasty shock even if it is unplugged. Actually with live chassis TVs it's always best to use an isolation tranformer. If any of this is over your head the say hello to the repairman :-) BMW

Posted on May 31, 2006

  • 556 Answers

SOURCE: white horizontal line down middle of TV screen

caution whenever you see horizontal line please reduce brightness of your tv for safety of crt. your problem in vertical section only mostly due to loose contact in connector,print or loose components.

Posted on Sep 21, 2007

  • 3 Answers

SOURCE: Laptop screen has horizontal white lines running across half the screen

Ive encountered laptop screens that are bad, with broken connections or a small carack on the very edge of the screen. I have an old laptop with the very bottom line of pixels dead. But as i push on the edge of the screen they flicker. Try carefully squeezing around the edge of your laptop screen near the lines. Its possible the screen itself is defective and need replacing.

Posted on Dec 23, 2007

janelu
  • 93 Answers

SOURCE: black and white horizontal lines in my asus a3000N laptop

Sound like the cable was lose between LCD panel and Motherboard. You can't do by yourself. Hope the laptop is still under warranty repair.

Posted on Nov 13, 2008

  • 3940 Answers

SOURCE: black and white lines after bios screen before boot up

The issue appears to be cosmetic if the system boots to WIndows and there are no display issues using the system. Some systems I've seen have a bit of video distortion between the BIOS splash screen and the desktop. A couple things may change that. Update the system BIOS and the video driver to the most current available

Posted on May 23, 2009

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